Range of contingency used in construction projects worldwide 2014, by project size

This statistic shows what percentage of construction projects used various cost contingency percentage ranges segregated by the size of the project, as of 2014. A cost contingency range of 5 to 10 percent was the most commonly utilized in construction projects of all sizes. 55 percent of projects estimated to cost less than 1 billion US dollars used a cost contingency range of 5 to 10%. High cost projects were more likely to use a greater range with 8 percent of those projects estimated to cost more than 5 billion US dollars applying a cost contingency percentage greater than 20 percent.